Question

4 Thirty calls made by a telephone saleswoman were monitored. The lengths in minutes, to
the nearest minute, are summarised in the following table.
0-2
3-5
6-8 9-11
9-11 12-15
Length of call
Number of calls

17
6
4
2
1
(a) State the boundaries of the first two classes.
(b) Illustrate the data with a histogram.​

Answer 1

Answer:

5

Step-by-step explanation:

c:- 2574030731

p:- HELLO

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